package com.changgou.search.config;

import org.springframework.amqp.core.*;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class RabbitMQConfig {
    //定义交换机名称
    public static final String GOODS_UP_EXCHANGE = "goods_up_exchange"; //定义商品上架交换机名称
    public static final String GOODS_DOWN_EXCHANGE = "goods_down_exchange"; //定义商品下架交换机名称
    //定义队列名称
    public static final String AD_UPDATE_QUEUE="ad_update_queue";
    public static final String SEARCH_ADD_QUEUE="search_add_queue";
    public static final String SEARCH_DEL_QUEUE="search_del_queue";

    //声明队列
    @Bean
    public Queue queue() {
        return new Queue(AD_UPDATE_QUEUE);//更新广告缓存信息
    }

    @Bean(SEARCH_ADD_QUEUE)
    public Queue GOODS_UP_QUEUE() {
        return new Queue(SEARCH_ADD_QUEUE);//广告上架(is_marketable 0->1)
    }

    @Bean(SEARCH_DEL_QUEUE)
    public Queue GOODS_DOWN_QUEUE() {
        return new Queue(SEARCH_DEL_QUEUE);//广告下架(is_marketable 1->0)
    }


    //声明交换机
    @Bean(GOODS_UP_EXCHANGE)
    public Exchange GOODS_UP_EXCHANGE() {
        return ExchangeBuilder.fanoutExchange(GOODS_UP_EXCHANGE).durable(true).build();
    }

    @Bean(GOODS_DOWN_EXCHANGE)
    public Exchange GOODS_DOWN_EXCHANGE() {
        return ExchangeBuilder.fanoutExchange(GOODS_DOWN_EXCHANGE).durable(true).build();
    }


    //声明交换机和队列的绑定关系
    @Bean
    public Binding GOODS_UP_EXCHANGE_BINDING(@Qualifier(SEARCH_ADD_QUEUE)Queue queue,@Qualifier(GOODS_UP_EXCHANGE)Exchange exchange){
        return BindingBuilder.bind(queue).to(exchange).with("").noargs();
    }
    @Bean
    public Binding GOODS_DOWN_EXCHANGE_BINDING(@Qualifier(SEARCH_DEL_QUEUE)Queue queue,@Qualifier(GOODS_DOWN_EXCHANGE)Exchange exchange){
        return BindingBuilder.bind(queue).to(exchange).with("").noargs();
    }
}
